Seasonal Ad CPM Predictor
Project holiday and peak-season CPM inflation before it eats your margin.
$
$
Sustained elevated CPMs.
Projected CPM
$15.00
150% of baseline
Reach lost at same budget
33.3%
Fewer impressions per $
Extra to hold reach
$15,000
On top of your budget
Expect CPMs around $15.00 — up 50%. To hold reach you'd need roughly $15,000 more, or pull spend into cheaper shoulder weeks.
Multipliers are broad market averages. Your category, geo and auction competition can push peaks well above these.
About this calculator
Apply seasonal auction multipliers to a baseline CPM to project peak-period costs and the extra spend a given budget will absorb during high-demand windows.
Everything runs in your browser — nothing you type is sent anywhere or stored. Use it to sanity-check a plan, pressure-test a channel, or brief a team before you commit budget.